- 3 Channels Preamplifier Tone Board Audio Bass Treble Control
- High quality potentiometer contacts well, stable for audio output.
- Adjustment Types: 3 channels(treble+bass+balance).
- this is a pre-amplifier, bass frequency processing, with bass volume potentiometer control of the bass amplifier board.
- This amplifier works on 12 0 12 transformer, this feature helps you to play your 12 0 12 circuit
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